Caragana opulens Komarov, Trudy, Imp. St.

Rather, Shabir A., Shu, Wang, Dwivedi, Mayank Dhar & Zhaoyang, Chang, 2021, Molecular phylogeny and systematic evaluation of the Caragana opulens species complex (Fabaceae, Papilionoideae) based on the molecular and morphological data, Phytotaxa 478 (2), pp. 179-200 : 196

Caragana opulens Komarov, Trudy, Imp. St. - Peterburgsk Bot. Sada 29: 208. 1909

Type:— China. Qinghai: Amdo, Przew, up to Baga-Gorgi River , 2700 m, 23 May 1880 G. P . Yakovlev (lecto K!)

= Caragana kansuensis Pojark. Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 13. 138. 1950, syn. nov.

Type:— China. Kansu: Centralis prov, Septentrionalis , in loco Tjan-lo-ba dicto, 14 July 1908, S . Czetyrkin (Holo LE!)

= Caragana licentiana Handel-Mazzetti, Oesterr. Bot. Z. 82: 249 1933, syn. nov.

Type:— China. Kansu: 16 June 1918, Abbe E . Licent 3932 (Iso K!)

Shrub perennial.Stem surface pubescent, greyish brown, 55–65 cm; branchlets bright grey. Leaflets digitate, 4-foliolate, 0.5–1.0 × ca. 0.4 cm, surface glabrous, apex and base acute; petiole 0.2–0.8 cm long, persistent on long branchlets, caducous on short branchlets. Stipules spine-like. Inflorescence solitary, number of flowers per inflorescence 1; flowers 1.5–2.1 × ca. 0.6 cm, yellow; pedicel 0.2–0.4 cm long, articulate apically. Calyx 0.5–0.9 cm long, lobes oblanceolate, revolute along margins, surface non–sticky, apex acuminate, inside surface black and glabrous. Standard 1.2–1.5 × ca. 1.9 cm yellowish-brown, glabrous, obovate, apex emarginate, callosities absent. Wing petals 1.2–1.6 × ca. 0.8 cm, glabrous, obovate-oblong, margin entire, claw ca. 0.5 × 0.1 cm long, puberulous. Keel petals ca. 1.1 × 0.5 cm long, glabrous, keel sub-angled, not twisted. Androecium ca. 1.4 cm long, length of the sheath 0.3–0.6 cm, glabrous. Gynoecium 0.5–1.2 cm long, glabrescent to dense hairs; style 1.4–1.5 cm long, slightly twisted, semi-geniculate; stigma glabrous. Pod stalked, 2.0–2.3 × ca. 0.5 cm, glabrous to silky pubescent, cylindrical, 1–8-seeded, stalk ca. 1.3 cm long, pod beak present. Seeds 0.2–0.3 × ca. 0.2 cm, dark brown, smooth.